441  
FZPN03 KNHC 200133  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC FRI MAR 20 2026  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  
 
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE  
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
SECURITE  
 
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE  
EQUATOR E OF 120W  
 
SYNOPSIS VALID 0000 UTC FRI MAR 20.  
24 HOUR FORECAST VALID 0000 UTC SAT MAR 21.  
48 HOUR FORECAST VALID 0000 UTC SUN MAR 22.  
 
.WARNINGS.  
   
..GALE WARNING  
 
.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO  
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 25 TO 35  
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N94W TO 16N94W TO  
16N95W TO 16N96W TO 13N96W TO 13N95W TO 15N94W N TO NE WINDS 20  
TO 30 KT. SEAS 2.5 M.  
.24 HOUR FORECAST WITHIN 16N95W TO 15N95W TO 15N94W TO  
16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 40  
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 16N93W TO 16N95W TO  
16N96W TO 13N96W TO 13N95W TO 15N93W TO 16N93W N TO NE WINDS 20  
TO 30 KT. SEAS 2.5 TO 3.0 M. REMAINDER AREA WITHIN 13N94W TO  
15N94W TO 15N96W TO 11N99W TO 10N98W TO 11N95W TO 13N94W WINDS  
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.  
.36 HOUR FORECAST WITHIN 14N94W TO 16N95W TO 15N96W TO 12N97W TO  
12N96W TO 13N95W TO 14N94W...INCLUDING THE GULF OF  
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.  
ELSEWHERE WITHIN 15N94W TO 15N96W TO 13N98W TO 12N97W TO 11N96W  
TO 13N94W TO 15N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N  
TO NE SWELL.  
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO  
14N96W TO 15N94W TO 16N94W...INCLUDING THE GULF OF  
TEHUANTEPEC... N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.  
 
.SYNOPSIS AND FORECAST.  
 
.12 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N88W TO  
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...  
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.36 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N88W TO  
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...  
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0130 UTC FRI MAR 20...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
SURFACE TROUGH FROM 08N77W TO 04N90W. ITCZ FROM 04N90W TO  
04N140W. SCATTERED MODERATE FROM 02N TO 08N BETWEEN 120W AND  
130W.  
 
 
.FORECASTER AL. NATIONAL HURRICANE CENTER.  
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